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4 April, 06:49

What is the value of x? round to the nearest hundredths place:

0.45 (x + 1.6) + 5x = 18

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Answers (2)
  1. 4 April, 07:37
    0
    x ≈ 3.2

    Step-by-step explanation:

    0.45 (x + 1.6) + 5x = 18

    45/100 (x + 16/10) + 5x = 18

    ¹⁰⁾45x/100 + 720/1000 + ¹⁰⁰⁰⁾5x = ¹⁰⁰⁰⁾18

    450x + 720 + 5000x = 18000

    5450x = 18000 - 720

    5450x = 17280

    x = 17280/5450

    x = 3.17

    x ≈ 3.2
  2. 4 April, 09:50
    0
    3.600

    Step-by-step explanation:

    0.25 (x+1.6) + 5x=18

    Open the bracket first

    0.25x+0.72+5x=18

    Collect like terms

    0.25x+5x=18-0.72

    5.25x=18.72

    Divide both sides by 5.25

    x=3.566~3.600 (nearest hundredth)
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